NetWorker:Azure VM 快照还原失败“无法解析主机 STORAGE_ACCOUNT.blob.core.windows.net”

Summary: NetWorker Azure 虚拟机 (VM) 快照还原失败,在连接到 Blob 存储帐户时报告名称解析错误。

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

使用 NetWorker Azure 虚拟机快照保护来保护 Azure 虚拟机。
Azure VM 快照还原失败,并在恢复日志中显示以下错误:

207705:nsrazure_recover: Curl: Error setting options/performing in curl, error details: Couldn't resolve host name(curl error code: 6), Could not resolve host: STORAGE_ACCOUNT_NAME.blob.core.windows.net
207849:nsrazure_recover: Failed createEmptyBlob...

长时间运行的还原会话中可能会出现此问题。
使用时未观察到名称解析错误 nslookupcurl 针对 Azure Blob 存储帐户:

nslookup STORAGE_ACCOUNT_NAME.blob.core.windows.net
curl -k https://STORAGE_ACCOUNT_NAME.blob.core.windows.net

Cause

此问题已向 NetWorker 工程部门提出。

受影响的版本:

19.11.x
19.12.0.0 -> 19.12.0.2
19.13.0.0

Resolution

此问题已在以下 NetWorker 版本中得到修复:

  • 19.13.0.1
  • 19.12.0.3

解决办法

将 Azure Blob 存储端点添加到 NetWorker 服务器本地主机文件:

Linux: /etc/hosts
Windows: C:\Windows\System32\drivers\etc

此更改将绕过潜在的瞬时域名系统 (DNS) 解析错误。

提醒:在某些情况下,可能仍会观察到其他连接错误;例如,“Connection reset by peer”。解决方案将通过对以下各项的代码进行更改来提供: nsrazure_recover

Affected Products

NetWorker

Products

NetWorker Family
Article Properties
Article Number: 000339177
Article Type: Solution
Last Modified: 30 Oct 2025
Version:  8
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